..:: Source code - 051null_comparison.js ::..

/**
 * comparison of null and empty string
 */

console.log(Boolean('' == null)); //false
console.log(Boolean('' === null)); //false
console.log(Boolean(0 === null)); //false
console.log(Boolean({} === null)); //false
console.log(Boolean({} == null)); //false

console.log('--------------');

var x = null;
if (!x) {
 console.log('x is null');
} else {
 console.log('x is not null');
}

..:: NodeJS Console - 051null_comparison.js ::..

false
false
false
false
false
--------------
x is null

$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.4 1308640 74668 ?       Ssl   2025 1281:35 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11822644 103548 ?     Ssl   2025 2023:28 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1303560 71252 ?       Ssl   2025 1297:41 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1297836 66620 ?       Ssl   2025 1278:38 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  6.6 12804232 1081156 ?    Ssl   2025 15990:05 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  6.3  3.5 12247216 581680 ?     Ssl   2025 23840:26 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125960 ?     Ssl   2025 1050:27 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1101568 65496 ?       Ssl   2025 952:28 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102084 67376 ?       Ssl   2025 950:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1101544 65836 ?       Ssl   2025 958:29 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1101572 65492 ?       Ssl   2025 953:27 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100672 65700 ?       Ssl   2025 950:23 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1166184 65284 ?       Ssl   2025 941:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.4 1100384 65572 ?       Ssl   2025 937:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.6  0.7 11844700 125216 ?     Ssl   2025 1926:29 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1101816 65864 ?       Ssl   2025 950:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.7 11849308 121020 ?     Ssl  Apr20 1022:09 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.4 1304836 81592 ?       Ssl  May31 269:36 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1904154  0.6  0.8 11857780 146120 ?     Ssl  Apr25 705:36 node /home/sasa/miko/miko-hr/server/index.js
sasa     2322038  0.3  0.3 1099612 64832 ?       Ssl  04:02   1:04 node /home/sasa/dex8/dex8-worker/starter.js
www-data 2346176  0.0  0.0   2608   528 ?        S    09:32   0:00 sh -c ps -aux | grep node
www-data 2346178  0.0  0.0   3304   720 ?        S    09:32   0:00 grep node
sasa     2628167  0.8  0.7 1205212 130148 ?      Ssl   2025 2894:18 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11806324 94676 ?      Ssl   2025 2200:05 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799488 84216 ?      Ssl   2025 1824:03 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332680 86596 ?       Ssl  Feb21 1434:27 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js